roll verb [ˈroʊl]

• to move across the ground or another surface by turning over and over
• to turn over one or more times
• to move smoothly on wheels

rock verb [ˈrɑːk]

• to move (someone or something) back and forth or from side to side
• to cause (something) to shake violently —sometimes used figuratively
• to cause (someone or something) to be upset or shocked

robot noun [ˈroʊˌbɑːt]

• a real or imaginary machine that is controlled by a computer and is often made to look like a human or animal —sometimes used figuratively to describe a person who seems to do things automatically or who seems to have no feelings or emotions
• a machine that can do the work of a person and that works automatically or is controlled by a computer

roast verb [ˈroʊst]

• to cook (food such as chicken, potatoes, or beef) with dry heat in an oven or over a fire
• to dry (something, such as a bean or nut) with heat
• to be very hot

road noun [ˈroʊd]

• a hard flat surface for vehicles, people, and animals to travel on —often used in names
• a process or a course of action that leads to a certain result

rip verb [ˈrɪp]

• to tear, split, or open (something) quickly or violently
• to become torn or split
• to remove (something) quickly or violently

ring noun [ˈrɪŋ]

• a piece of jewelry that is worn usually on a finger
• a piece of jewelry that is shaped like a circle and worn in a special hole made in the skin
• something that is shaped like a circle

right adjective [ˈraɪt]

• morally or socially correct or acceptable
• agreeing with the facts or truth : accurate or correct
• speaking, acting, or judging in a way that agrees with the facts or truth —often + about —often followed by to + verb

rice noun [ˈraɪs]

• small white or brown grains that come from a southeast Asian plant and that are used for food
• the plant that produces rice

rhinoceros noun [raɪˈnɑːsərəs]

• a large, heavy animal of Africa and Asia that has thick skin and either one or two large horns on its nose

revolver noun [rɪˈvɑːlvɚ]

• a small gun with a container for bullets that turns after the gun is fired and puts another bullet into position to be fired next

revolve verb [rɪˈvɑːlv]

• to turn around a center point or line : rotate

revolution noun [ˌrɛvəˈluːʃən]

• the usually violent attempt by many people to end the rule of one government and start a new one
• a sudden, extreme, or complete change in the way people live, work, etc.
• the action of moving around something in a path that is similar to a circle : rotation

return verb [rɪˈtɚn]

• to come or go to a place again : to come back or go back again —often + from or to
• to bring, give, send, or take (something) to the place that it came from or the place where it should go
• to bring or send (something that you bought) to the place that it came from because it does not work or fit properly, because it is damaged, etc.

rest noun [ˈrɛst]

reptile noun [ˈrɛpˌtajəl]

• an animal (such as a snake, lizard, turtle, or alligator) that has cold blood, that lays eggs, and that has a body covered with scales or hard parts
• a person who cannot be trusted or who is not likable

reply verb [rɪˈplaɪ]

• to say, write, or do something as an answer or response

remember verb [rɪˈmɛmbɚ]

• to have or keep an image or idea in your mind of (something or someone from the past) : to think of (something or someone from the past) again
• to cause (something) to come back into your mind
• to keep (information) in your mind : to not forget (something)

relish noun [ˈrɛlɪʃ]

• a seasoned sauce that is used to add flavor to other foods and that is made of chopped fruit or vegetables; especially : such a sauce made from pickles
• enjoyment of or delight in something
• a feeling of liking something

red adjective [ˈrɛd]

• having the color of blood
• reddish brown or reddish orange in color
• pink because of embarrassment, anger, etc.